Studies in Entonwgenous Fungi. T. Fetch. 



121 



ob5er\-ed only in the basal sheet. The external layer of the 

 stroma mav in places be a continuous sheet of thick-walled 

 h\-phae, more or less parallel, fused together side by side. The 

 h\-phae, in general, are not, or only shghtly, rough with adherent 

 granules; they are frequently closely septate, and with the wall 

 and septa thickened so that only spherical ca\~ities remain. 

 Short broken lengths of h\-phae with thickened walls and close- 

 set septa resemble conidia under a low magnification, but a 

 higher magnification reveals the broken wall at the ends. The 

 h\-phae on the perithecia are loosely interwoven, 2-4 /x diameter, 

 thick-walled or almost soHd. 



Torriibiella sublintea Fetch in Ann. Perad. "^^i (1922), p. 324. 



Stromata circular, up to 3 mm. diameter, compact, pul\inate 

 in the centre, with a broad margin, white, margin somewhat 

 floccose, centre acquiring a matted surface which becomes a 

 more or less glabrous wrinkled sheet. 



Perithecia situated round the thickened centre, singly or more 

 usuallv in groups, tomentose up to two-thirds their height, or 

 clothed with mvcehum which forms a common covering to two 

 or three perithecia and acquires a glabrous external layer, 

 elongated conoid, shghtlv attenuated above, 0-75 mm. high, 

 0-33 mm. diameter below, browTiish yellow, darker brown at 

 the apex, subtranslucent, b^^ transmitted Hght pale yellow to 

 brownish yellow, shghtly brown towards the apex; asci long, 

 cvhndrical, capitate, eight-spored, 6-S^ diameter; spores 

 filiform, as long as the ascus, septate, di\iding into cyhndrical 

 part-spores, 3-6 x 1-25 /x. 



Conidia on the stroma or on the perithecia, arising laterally 

 from regular simple M^phae, either fusoid, . ^ 



three-septate, ends acute but not pro- 

 duced, iS-24 X 4^, or five-septate, ends 

 strongly attenuated and shghtly curved. 

 36-46 X 3-4 /i, or seven-septate, falcate, 

 ends equally curved and attenuated, 

 48 X 4/x. 



Chili; on an Ale\Todid on an un- 

 determined leaf, Corral, December 1905, 

 coll. Thaxter (Plate II, fig. 7). 



The stroma in this species is more 

 compact than in T. tenuis. It consists of h3-phae, 2-2-5 /x 

 diameter, some thick- walled, shghtly rough, others thin- walled, 

 with numerous finer h\-phae, 0-75-1 /x diameter. The more 

 compact nature of the stroma is probably due to the fact that 

 the h\-phae are thinner than in other species. The tendency of 

 the exterior h\-phae to form a continuous layer is ver>- marked, 

 and on some examples the stroma is covered with a glabrous, 

 wrinkled sheet . The stroma sometimes shows traces of pale yeUow. 



Fig. 3. Conidia of T. sub- 

 It niea. X 600. 



